31155140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25537}}^1$

素因数の和:25607

約数の個数: 24

約数和(自身を含む): 66500952

約数和(自身を除く): 35345812

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 25537, 51074, 102148, 127685, 255370, 510740, 1557757, 3115514, 6231028, 7788785, 15577570, 31155140]

約数ペア:

[(1, 31155140), (2, 15577570), (4, 7788785), (5, 6231028), (10, 3115514), (20, 1557757), (61, 510740), (122, 255370), (244, 127685), (305, 102148), (610, 51074), (1220, 25537)]